“Daily Science G.K.Question In English 18 /04/2019”

“Daily Science G.K.Question In English 18 /04/2019”

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Que 01.  How often, approximately, is Halley’s Comet visible from Earth (in years)?

  1. 25
  2. 75
  3. 140
  4. 300

 

Answer :–  2. 75

 

Expalain :—–     Halley’s comet appears in the night sky approximately every 75 years. Its next appearance will be in 2061.

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Que. 02.  What astronomer placed Earth at the center of the universe?

1     Ptolemy

2     Galileo

3     Tycho Brahe

4     Aryabhata I

 

Answer :– 1. Ptolemy

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Que.03.  Which astronomer wrote the Aryabhatiya?

1     Brahmagupta

2     Bhaskara I

3     Aryabhata I

4     Galileo

 

Answer :– 3.  Aryabhata I

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 Que.04.  What astronomer suggested that the Sun was at the center of the solar system?

1     Copernicus

2     Hypatia

3     Ptolemy

4     Theon of Alexandria

 

 

Answer :–  1. Copernicus

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Que.05.  In On the Revolutions of the Celestial Orb, Nicholas Copernicus (1473–1543) suggested that Earth revolved around the Sun.Who was the first astronomer to use a telescope?

1     Leonardo da Vinci

2     Galileo

3     Ptolemy

4     Hypatia

 

 

Answer :–  2. Galileo

 

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Que.06. Which of the following is not a scientific optical instrument?

1.telescope

2 .periscope

3 .  endoscope

4  . microscope

 

Answer :–  2. Periscope

 

Expalain :—–     A periscope allows the viewer to view objects not in the line of sight, such as around corners or above the surface of the water from below. It is best known for its use in military submarines.

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Que.07. Which of these contain large quantities of ice?

1     asteroids

2     stars

3     comets

4     black holes

 

Answer :–  3. Comets

 

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Que.08.  What do most asteroids orbit?

1     Earth

2     Mars

3     the Sun

4     Pluto

 

 

Answer :–  3.The Sun

 

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Que.09.  Which of these planets has an atmosphere made up of hydrogen, helium, and methane?

1     Pluto

2     Uranus -ans

3     Earth

4     Venus

 

Answer :–  2. Uranus -ans

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Que.10  Which of these American astronomers discovered Pluto in 1930?

 

1     Galileo Galilei

2     Harlow Shapley

3     Clyde Tombaugh

4     Edwin Hubble

 

Answer :–   3. Clyde

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